Of zero counties in the Coyote State, Douglas County ranks zeroth in terms of size (zero square miles). Douglas County is in Southeast South Dakota. There is about 1,000 acres of horse farms for sale in South Dakota's Douglas County based on recent Land Network data. The combined market value of land for sale here is $200,000. Browse all Douglas County horse farms for sale on the Land Network to find the equestrian property that's right for your future needs, whether you're a horse breeder, equestrian business or simply horse lover looking for stable facilities, grooming pens or grazing pasture for your own horses. The most common type of land for sale by combined acreage in Douglas County is residential property.